ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,084, issued on March 4, was assigned to Festool GmbH (Wendlingen, Germany).
"Power tool device and method" was invented by Christoph Dieter (Gomaringen, Germany), Moritz Keller (Fellbach, Germany) and Peter Seiler (Dornstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool device, in particular a screwing and/or drilling device, including a drive unit for a rotational driving of a tool, in particular a drill or a screwdriver blade. The power tool device is adapted to detect at least one drive variable (AG) during the rotational driving of the tool, in which the drive variable (AG) is the torque acting on the tool and/or a drive v...